19259020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87541}}^1$

素因数の和:87561

約数の個数: 24

約数和(自身を含む): 44121168

約数和(自身を除く): 24862148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87541, 175082, 350164, 437705, 875410, 962951, 1750820, 1925902, 3851804, 4814755, 9629510, 19259020]

約数ペア:

[(1, 19259020), (2, 9629510), (4, 4814755), (5, 3851804), (10, 1925902), (11, 1750820), (20, 962951), (22, 875410), (44, 437705), (55, 350164), (110, 175082), (220, 87541)]